The Boston Marathon turned tragic on April 15, 2013, when two explosions went off near the finish line. They left three people dead and 264 injured. Review the lives of the suspects, the timeline of events and one victim's journey to recovery.

Tamerlan Tsarnaev was born in Kalmykia, a Russian territory near the Caspian Sea, on October 21, 1986.

Image Credit: Reuters

Tamerlan Tsarnaev moved to the United States with his two sisters in July 2003.Not long after, he registered with USA Boxing, an amateur boxing organization and began working odd jobs.

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In 2006 he started to attend Massachusetts' Bunker Hill Community College. He dropped out in the spring of 2008.

Image Credit: Google Earth

He assaulted his girlfriend in July 2009 and was arrested. The following year he married Katherine Russell, who soon gave birth to a baby girl.

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According to family members, in 2011 Tsarnaev became very religious and began regular daily prayer ritual.

Image Credit: Maxim Shemetov/Reuters

The following year he made a short trip to Russia to spend time with his father, Anzor Tsarnav. In the summer of 2012, he created a YouTube channel that linked to various videos. Two of the videos posted were under the category "Terrorists".

Image Credit: Maxim Shemetov/Reuters

Dzhokhar Tsarnaev was born on July 22, 1993, in the former Soviet republic of Kyrgyzstan.

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He was popular and untroubled in high school, according to a friend.

Image Credit: Boston police via Twitter

He was awarded a $2,500 scholarship by the city of Cambridge in 2011. Tsarnaev starts his freshman year the University of Massachusetts at Dartmouth, Mass., studying marine biology.

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Tsarnaev became an American citizen on the 11th anniversary of the Sept. 11, 2001 attacks, according to CBS. He did not choose the date himself.

Image Credit: Reuters

In the days before the attack, Tsarnaev's Twitter account showed no unusual activity. He quoted rapper 50 Cent and made references to Game of Thrones and Breaking Bad.

Erika Brannock, of Baltimore, Md., is one of more than 260 people – men, women and children – injured in two bomb explosions at the Boston Marathon. Three people are killed.

Image Credit: Brian Snyder/Reuters

June

June 3, 2013

Erika Brannock returns to Baltimore after spending 50 days at Beth Israel Deaconess Medical Center in Boston. The last bombing victim to be discharged, Erika Brannock flew into a private terminal near Baltimore-Washington International Thurgood Marshall Airport and was greeted by a group of family and friends.

Image Credit: Google Earth

June

June 18, 2013

Sheis discharged from Kernan Orthopaedics (now renamed University of Maryland Rehabilitation and Orthopaedic Institute) and returned home to her mother's home.

Image Credit:The Erika Brannock Fund/facebook.com

Aug.

Aug. 5, 2013

Erika Brannock has a 10-hour surgery to stabilize her right leg. This was a pivotal step in her recovery.

Image Credit: The Erika Brannock Fund/facebook.com

June

June 18, 2013

She is discharged from Kernan Orthopaedics (now renamed University of Maryland Rehabilitation and Orthopaedic Institute) and returned home to her mother's home.

Image Credit: The Erika Brannock Fund/facebook.com

Aug.

Aug. 23, 2013

Erika Brannock attended an orientation for Davenport Preschool and dedication of a learning garden in her honor.

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Oct.

Oct. 4, 2013

Erika Brannock took her first steps since the bombing at Dankmeyer Inc. in Linthicum.

Image Credit: The Erika Brannock Fund/facebook.com

Oct.

Oct. 12, 2013

Erika Brannock served as the official starter for the Baltimore Running Festival.

Image Credit: The Erika Brannock Fund/facebook.com

Nov.

Nov. 9, 2013

Almost six months since the homemade bombs exploded near the Boston Marathon finish line, Erika Brannock walked again for the first time.

Image Credit: The Erika Brannock Fund/facebook.com

Nov.

Nov. 16, 2013

Erika Brannock walks across the finish line at Thunder Road in Charlotte.

Image Credit: Thunder Road Marathon/facebook.com

Jan.

Jan. 27, 2014

Erika Brannock had surgery due for a possible bone infection.

Image Credit: The Erika Brannock Fund/facebook.com

Feb.

Feb. 5, 2014

Erika Brannock had surgery to remove the hardware that had been in place to help the fracture in her tibia heal.

Image Credit: The Erika Brannock Fund/facebook.com

Feb.

Feb. 10, 2014

Erika Brannock celebrated her 30th birthday.

Image Credit: The Erika Brannock Fund/facebook.com

March

March 27, 2014

Women's Day magazine featured an article on Erika Brannock and her family.

Image Credit: The Erika Brannock Fund/facebook.com

April

April 3, 2014

Erika Brannock threw out the first pitch before an Orioles-Red Sox game.